Home / 7,889.44-11,833.89-3,208.06

Finding the Fourth Proportional to 7,889.44, 11,833.89 and 3,208.06

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Solution

The fourth proportional to 7,889.44, 11,833.89 and 3,208.06 is: 4,811.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.44 : 11,833.89 = 3,208.06 : x
  2. Step 2: Convert to fraction form
    7,889.44/11,833.89 = 3,208.06/x
  3. Step 3: Cross multiply
    7,889.44x = 11,833.89 × 3,208.06
  4. Step 4: Simplify right side
    7,889.44x = 37,963,829.15
  5. Step 5: Solve for x
    x = 37,963,829.15/7,889.44
  6. Step 6: Final answer
    x = 4,811.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.